Title (en)

AUTHORIZATION OF NETWORK REQUEST

Title (de)

AUTORISIERUNG EINER NETZWERKANFRAGE

Title (fr)

AUTORISATION DE DEMANDE DE RÉSEAU

Publication

EP 4017052 A1 20220622 (EN)

Application

EP 21212506 A 20211206

Priority

FI 20206313 A 20201216

Abstract (en)

According to an example aspect of the present invention, there is provided an apparatus configured at least to: receive, from a service communication proxy, a request for an access token which authorizes access to a service at a network function provider, transmit an authorization token to the service communication proxy, the authorization token being specific to the request, and provide the access token to the service communication proxy responsive to determining that a cryptographic signature of a network function consumer on a signed version of the authorization token, received in the apparatus from the service communication proxy, is correct. The apparatus may work in a network serving user equipments, for example.

IPC 8 full level

H04W 12/084 (2021.01); H04L 9/40 (2022.01)

CPC (source: EP FI US)

G06F 21/44 (2013.01 - FI); H04L 9/32 (2013.01 - FI); H04L 9/3213 (2013.01 - US); H04L 9/3247 (2013.01 - US); H04L 63/08 (2013.01 - FI); H04L 63/0807 (2013.01 - EP); H04L 63/0884 (2013.01 - EP); H04W 12/06 (2013.01 - FI); H04W 12/084 (2021.01 - EP FI)

Citation (search report)

• [XI] NOKIA ET AL: "Integrity protection of service request in indirect communication", vol. SA WG3, no. e-meeting; 20200817 - 20200828, 28 August 2020 (2020-08-28), XP051922898, Retrieved from the Internet <URL:https://ftp.3gpp.org/tsg_sa/WG3_Security/TSGS3_100e/Docs/S3-202186.zip> [retrieved on 20200828]
• [XI] NOKIA ET AL: "Discussion paper on authentication in Indirect communication between NFs in deployments where NFc and NRF are not directly connected with each other", vol. SA WG3, no. e-meeting; 20200414 - 20200417, 3 April 2020 (2020-04-03), XP051868709, Retrieved from the Internet <URL:https://ftp.3gpp.org/tsg_sa/WG3_Security/TSGS3_98Bis_e/Docs/S3-200801.zip> [retrieved on 20200403]
• [A] NOKIA ET AL: "Access token ownership verification by the producer in indirect communication scenarios", vol. SA WG3, no. e-meeting; 20200414 - 20200417, 3 April 2020 (2020-04-03), XP051868706, Retrieved from the Internet <URL:https://ftp.3gpp.org/tsg_sa/WG3_Security/TSGS3_98Bis_e/Docs/S3-200798.zip> [retrieved on 20200403]

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 4017052 A1 20220622; FI 129916 B 20221031; FI 20206313 A1 20220617; US 2022191028 A1 20220616

DOCDB simple family (application)

EP 21212506 A 20211206; FI 20206313 A 20201216; US 202117550549 A 20211214